novato, nine miles, napa, the fog migrating towards the east, napa, seven miles visibility. the rest of the bay area doing pretty good but the central valley fog will migrate back torts the west overnight. that could pose some travel problems tomorrow morning. right now we're 54 in antioch. 44 in concord. 52, san francisco. napa, 40. 48 in mountain view. we'll continue with the patchy areas of dense fog overnight. warmer getting into sunday and monday, and then start to cool things down and bring showers back into our forecast. lows tonight, generally mid-to upper 30s in the north bay, a little warmer thanks to the veil of clouds over you. 47 for san francisco tonight and we'll go 37 with pockets of fog near the livermore valley area. here's what i'm talking about. fog, very dense in the central valley, and then the winds migrate back towards the west so towards the delta, antioch, oakley, brentwood, you may wake up with very dense fog and then it should start to thin out by around, i'd say, 10:00, 11:00. here's the setup. high pressure diverting storms to the north of us. t